General Safety Information - KROHNE H250/M10 Installation And Operating Instructions Manual

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General safety information

These additional Instructions apply to the dust explosion protected versions of H250/M10 with the category
II3D. They are supplementary to the Installation and Operating Instructions for the non-dust -explosion
protected versions Ident. No.: 702280##00.
The information given in these Instructions contains only the data relevant to Category II3D explosion
protection. The technical details given in the Installation and Operating Instructions for the nonhazardous-
duty versions apply unchanged unless excluded or superseded by these Instructions.
The Variable-Area Flowmeter H250/M10 with Cat. II3D in compliance with European Directive 94/9/EG
(ATEX 100a) and in conformity with European Standard EN 50281-1-1:1998 for use in dust-explosion
locations zone 22 is approved by the manufacturer.
This statement of conformity, together with its boundary conditions, is required to be observed
without fail (see Attachment A.1 "Statement of Conformity").
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Mounting, installation, start-up and maintenance work may only be carried out by
personnel trained in explosion protection !
•
Repair, which is safety-relevant in the sense of explosion prevention,
is only allowed by the manufacturer, its assigned one or under of supervision from
experts.
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Dust explosion-protected instruments with Cat. II2D to EN 50281 -1 -2: 1998 Paragraph 5
may not be used in locations with conductive dust.
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For processes involving combustible and highly flammable products in Cat. II3D
are not allowed.
Supplementary Installation and Operating Instructions M10 EEx d
Note!
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